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Mitral prolapse

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https://www.readbyqxmd.com/read/29673010/the-nightmare-ecg-of-a-spontaneously-aborted-sudden-cardiac-death
#1
Giovanni Coluccia, Raffaele Punzi, Silvia Polini, Concetto La Rosa, Mariano Rillo
We present the case of a spontaneously aborted sudden cardiac death related to an high-rate ventricular tachycardia in an healthy man with bileaflet mitral valve prolapse. An effective treatment of the patient, with complete suppression of ventricular ectopic activity, was achieved only combining medical therapy, ICD and catheter ablation, thus overcoming the limitations of each approach.
April 19, 2018: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/29657253/minimally-invasive-mitral-valve-repair-through-right-minithoracotomy-11-year-single-institute-experience
#2
Taichi Sakaguchi, Toshinori Totsugawa, Masahiko Kuinose, Kentaro Tamura, Arudo Hiraoka, Genta Chikazawa, Hidenori Yoshitaka
BACKGROUND: Although minimally invasive mitral valve repair (MIMVR) is increasingly being performed, only a few clinical studies from Japanese institutions have been reported.Methods and Results:From 2006 to 2017, 387 consecutive patients (135 females, mean age 56±13 years) underwent an initial isolated MIMVR through a right minithoracotomy. The mitral etiology was degenerative in 348, functional in 22, and endocarditis in 13 cases. Repair techniques included leaflet resection/plication in 280, chordal reconstruction in 109, and annuloplasty alone in 24 patients, and concomitant procedures included tricuspid valve repair and atrial fibrillation ablation in 70 (18...
April 13, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29644231/mechanistic-insights-of-the-left-ventricle-structure-and-fibrosis-in-the-arrhythmogenic-mitral-valve-prolapse
#3
REVIEW
Leticia Fernández-Friera, Rafael Salguero, Luca Vannini, Ana Fidalgo Argüelles, Fernando Arribas, Jorge Solís
Mitral valve prolapse (MVP) is a common and benign condition. However, some anatomic forms have been recently associated with life-threatening ventricular arrhythmias and sudden cardiac death. Imaging MVP holds the promise of individualized MVP risk assessment. Noninvasive imaging techniques available today are playing an increasingly important role in the diagnosis, prognosis and monitoring of MVP. In this article, we will review the current evidence on arrhythmogenic MVP, with special focus on the utility of echocardiography and CMR for identifying benign and "malignant" forms of MVP...
March 14, 2018: Global Cardiology Science & Practice
https://www.readbyqxmd.com/read/29643879/transesophageal-echocardiography-in-cardiogenic-embolic-cerebral-infarction
#4
Wen Chu, Hua Wang
Objective: To evaluate the diagnostic values of transesophageal echocardiography (TEE) and transthoracic echocardiography (TTE) in cardiogenic embolic cerebral infarction. Methods: Fifty patients with occult cerebral infarction who were admitted to the hospital between June 2015 and June 2016 were selected as research subjects. The patients were diagnosed by transesophageal echocardiography and transthoracic echocardiography. Diagnostic data were compared to analyze the values of the two diagnostic methods...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29629022/impact-of-a-geometric-correction-for-proximal-flow-constraint-on-the-assessment-of-mitral-regurgitation-severity-using-the-proximal-flow-convergence-method
#5
Jeong Yoon Jang, Joon-Won Kang, Dong Hyun Yang, Sahmin Lee, Byung Joo Sun, Dae-Hee Kim, Jong-Min Song, Duk-Hyun Kang, Jae-Kwan Song
Background: Overestimation of the severity of mitral regurgitation (MR) by the proximal isovelocity surface area (PISA) method has been reported. We sought to test whether angle correction (AC) of the constrained flow field is helpful to eliminate overestimation in patients with eccentric MR. Methods: In a total of 33 patients with MR due to prolapse or flail mitral valve, both echocardiography and cardiac magnetic resonance image (CMR) were performed to calculate regurgitant volume (RV)...
March 2018: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/29623557/late-right-ventricular-performance-after-mitral-valve-repair-assessed-by-exercise-echocardiography
#6
Sigurdur Ragnarsson, Johan Sjögren, Martin Stagmo, Per Wierup, Shahab Nozohoor
OBJECTIVES: The aim of the study was to evaluate the right ventricular (RV) performance during exercise in patients who underwent mitral valve repair for chronic mitral valve insufficiency relative to healthy individuals and to assess exercise capacity using a semisupine ergometer. METHODS: We studied 56 patients who underwent mitral valve repair for degenerative posterior mitral leaflet prolapse between 2005 and 2014 and a control group of 13 healthy individuals...
April 5, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29623174/a-double-whammy-severe-aortic-stenosis-and-cocaine-overwhelm-the-mitral-valve
#7
Rohit Maini, Jonathan Lim, Jing Liu, Itamar Birnbaum, Farooq Mirza, Nasser Lakkis, Ihab Hamzeh
A 50-year-old man presented with acute onset dyspnea following cocaine use. He had severe aortic stenosis (AS), mild mitral regurgitation (MR) due to mitral valve prolapse, and no coronary artery disease on recent coronary angiography. He was in acute heart failure with signs of impending cardiogenic shock. Urgent bedside echocardiography revealed hyperdynamic left ventricular systolic function with acute severe MR from a ruptured chordae tendineae. The acute cocaine-induced spike of his already elevated left ventricular systolic pressure from severe AS likely precipitated chordal rupture of his vulnerable mitral valve...
January 2018: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/29593831/minimally-invasive-surgical-mitral-valve-repair-state-of-the-art-review
#8
Karel M Van Praet, Christof Stamm, Simon H Sündermann, Alexander Meyer, Axel Unbehaun, Matteo Montagner, Timo Z Nazari Shafti, Stephan Jacobs, Volkmar Falk, Jörg Kempfert
Minimally invasive surgical mitral valve repair (MVRepair) has become routine for the treatment of mitral valve regurgitation, and indications have been expanded to include reoperations. Current European Society of Cardiology/European Association for Cardio-Thoracic Surgery guidelines for the management of valvular heart disease recommended standards in terms of mitral valve disease differentiation, timing of intervention and surgical techniques to improve patient care. Numerous minimally invasive techniques to lessen the invasiveness have been described, such as the minimal-access J-sternotomy (ministernotomy), the parasternal incision, the port-access technique and the right minithoracotomy...
January 2018: Interventional Cardiology
https://www.readbyqxmd.com/read/29588148/spontaneous-chordae-tendineae-rupture-during-peripartum
#9
Feng-Han Chiu, Chih-Jen Yang, Chih-Kang Huang, Chih-Yuan Lin, Shih-Hung Tsai
Acute cardiopulmonary distress in pregnancy always carries exceptionally arduous challenge for physicians. Here we report a patient who sustained spontaneous chordae tendineae rupture complicated with severe mitral regurgitation and acute pulmonary edema during peripartum period. Probable causes of chordae tendineae rupture include mitral valve prolapse, infectious endocarditis, congenital heart disease, rheumatic heart disease, ischemic heart disease, connective tissue diseases, previous mitral valve surgery or pregnancy itself...
March 19, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29580780/cardiac-calcified-amorphous-tumor-in-a-newborn
#10
Garima Bhag, Gaurav Kumar, Kavita Sahai, Harmeet S Arora, Vipul K Sharma
Calcified Amorphous Tumors (CAT) of the heart are rare, non-neoplastic, intracavitary lesions, previously thought of as pseudotumors, hamartomas or calcified thrombi, only reported in few adults in the available literature (1). We report a case of a pedunculated oscillating CAT arising from left atrial appendage (LAA), prolapsing through the mitral valve, causing severe mitral regurgitation in a newborn. This is the only case of cardiac CAT described in a neonate.
March 23, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29576783/nigerian-children-with-acquired-heart-disease-the-experience-in-lagos
#11
Barakat Adeola Animasahun, Akpoembele Deborah Madise-Wobo, Olusola Yejide Kusimo
Background: Most of the recent reports on acquired heart diseases (AHDs) among Nigerian children are either retrospective or cover a short period of time with fewer subjects. The last report on AHDs among children in Lagos was about a decade ago; it was, however, not specific to children with AHDs but was part of a report on structural heart diseases among children in Lagos. The present study was carried out to document the prevalence and profile of different AHDs in children and to compare the findings with those previously reported...
October 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/29569266/a-late-presentation-of-congenital-cardiac-anomaly-accessory-chordae-from-the-left-atrium-causing-severe-mitral-regurgitation
#12
Giovanni D'Onghia, Marta Martin, Maria Teresa Mancini, Silvia Quintarelli, Adele Cozza, Fabrizio Guarracini, Roberto Bonmassari
Mitral regurgitation secondary to accessory mitral valve (MV) chordae of the left atrium is an extremely rare congenital disease. A 85-year-old female (NYHA I-II) was hospitalized for investigations. An echocardiogram showed calcification of the MV with mild stenosis and moderate regurgitation. Transesophageal three-dimensional echocardiogram revealed a band-like structure extending from the distal third of the anterior wall of the left atrium to the MV. This accessory chordae determined severe systolic regurgitation and mild mitral stenosis...
March 22, 2018: Echocardiography
https://www.readbyqxmd.com/read/29556869/to-what-extent-can-3d-model-replicate-dimensions-of-individual-mitral-valve-prolapse
#13
Takashi Shirakawa, Masao Yoshitatsu, Yasushi Koyama, Akira Kurata, Toru Miyoshi, Hiroki Mizoguchi, Takafumi Masai, Koichi Toda, Yoshiki Sawa
Determining the complex geometry of mitral valve prolapse is often difficult. We constructed 3D models of six prolapsed mitral valves for surgical assessment, and evaluated how accurately the models could replicate individual valve dimensions. 3D polygon data were constructed based on an original segmentation method for computed tomography images. The model's replication performance was confirmed via dimensional comparison between the actual hearts during surgery and those models. The results revealed that the prolapsed segments matched in all cases; however, torn chordae were replicated in four cases...
March 19, 2018: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/29553085/efficacy-of-glutaraldehyde-treated-leaflets-for-mitral-valve-repair-to-treat-active-infective-endocarditis-a-case-report
#14
Susumu Isoda, Ichiya Yamazaki, Yusuke Matsuki, Hiroto Tomita, Yoshimi Yano, Toshikazu Gondo, Munetaka Masuda
We report the use of glutaraldehyde (GA) in a case of valve repair for mitral valve prolapse associated with active infective endocarditis. GA scrubbed at the site of infection decontaminates and reinforces infected fragile tissue, avoids excessive debridement, and strengthens the edges of valve leaflets to facilitate suturing.
March 16, 2018: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29550522/diagnostic-value-and-prognostic-implications-of-early-cardiac-magnetic-resonance-in-survivors-of-out-of-hospital-cardiac-arrest
#15
Alessandro Zorzi, Angela Susana, Manuel De Lazzari, Federico Migliore, Giovanni Vescovo, Daniele Scarpa, Anna Baritussio, Giuseppe Tarantini, Luisa Cacciavillani, Benedetta Giorgi, Cristina Basso, Sabino Iliceto, Chiara Bucciarelli Ducci, Domenico Corrado, Martina Perazzolo Marra
BACKGROUND: In patients who survived out-of-hospital cardiac arrest (OHCA) it is crucial to establish the underlying cause and its potential reversibility. OBJECTIVE: We assessed the incremental diagnostic and prognostic role of early cardiac magnetic resonance (CMR) in survivors of OHCA. METHODS: Among 139 consecutive OHCA patients, we enrolled 44 (median age 43 years; 84% males) patients who underwent coronary angiography and CMR ≤7 days after admission...
March 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29544954/grading-of-mitral-valve-prolapse-with-late-systolic-regurgitation-using-automated-intensity-analysis-of-continuous-wave-doppler
#16
EDITORIAL
Yan Topilsky
No abstract text is available yet for this article.
May 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29544951/grading-of-mitral-regurgitation-in-mitral-valve-prolapse-using-the-average-pixel-intensity-method
#17
Victor Kamoen, Milad El Haddad, Marc De Buyzere, Tine De Backer, Frank Timmermans
AIMS: We recently reported the feasibility of the average pixel intensity (API) method for grading mitral regurgitation (MR) in a heterogeneous MR population. Since mitral valve prolapse (MVP) is an important cause of primary MR, we more specifically investigated the feasibility of the API method and the MR flow dynamics in patients with MVP. METHODS: Transthoracic echocardiography was performed by a single operator in consecutive MVP patients (n=112). MR was assessed using the API method, color Doppler, vena contracta width (VCW), effective regurgitant orifice area (PISA-EROA) and regurgitant volume (PISA-RV)...
May 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29531868/colonic-granular-cell-tumor-an-endoscopic-and-histopathologic-review-with-case-illustration
#18
Daryl Ramai, Jonathan Lai, Kinesh Changela, Sury Anand
Granular cell tumors (GCTs) are rare and benign tumors that can occur at any anatomical site. GCTs are thought to originate from nerve cells, particularly Schwann cells. Their name derives from the fact that an accumulation of cytoplasmic lysosomes imparts the tumor with a granular appearance. They are most commonly observed in the oral cavity, skin and subcutaneous tissue, breast, and respiratory tract. Granular cell tumors rarely affect the gastrointestinal tract. We report a 58-year-old female with a past medical history of hypertension, mitral valve prolapse, and depression who presented for surveillance colonoscopy...
January 2, 2018: Curēus
https://www.readbyqxmd.com/read/29530068/deregulated-microrna-and-mrna-expression-profiles-in-the-peripheral-blood-of-patients-with-marfan-syndrome
#19
Masood Abu-Halima, Mustafa Kahraman, Dominic Henn, Tanja Rädle-Hurst, Andreas Keller, Hashim Abdul-Khaliq, Eckart Meese
BACKGROUND: MicroRNAs (miRNAs) are small RNAs regulating gene expression post-transcriptionally. While acquired changes of miRNA and mRNA profiles in cancer have been extensively studied, little is known about expression changes of circulating miRNAs and messenger RNAs (mRNA) in monogenic constitutional anomalies affecting several organ systems, like Marfan syndrome (MFS). We performed integrated miRNA and mRNA expression profiling in blood samples of Marfan patients in order to investigate deregulated miRNA and mRNA networks in these patients which could serve as potential diagnostic and prognostic tools for MFS therapy...
March 12, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29514193/posterior-papillary-muscle-rupture-after-transapical-transcatheter-aortic-valve-implantation
#20
Masahide Komagamine, Nobuyuki Furukawa, Jan Gummert, Jochen Börgermann
Transapical transcatheter aortic valve implantation is a well-established alternative in patients at a high risk for conventional aortic valve replacement. We performed transapical transcatheter aortic valve implantation on an 83-year-old woman with symptomatic severe aortic stenosis. Intraoperative transoesophageal echocardiography (TOE) after transcatheter aortic valve implantation showed mild mitral regurgitation without intracardiac structural injury. In the intensive care unit, the patient gradually had haemodynamic instability; TOE revealed severe mitral regurgitation with A2 and A3 prolapse due to rupture of the posterior papillary muscle...
March 5, 2018: European Journal of Cardio-thoracic Surgery
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